add erase and reset commands
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5751beb935
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@ -34,6 +34,9 @@
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#define vref2_normal(x) ( CAT(x,_VREF2H) )
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#define vref2_erase(x) ( CAT(x,_VREF2L) )
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/* fgets input buffer length: for prompts and such */
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#define BUF_LEN 32
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struct layout {
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char *name;
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enum ftdi_interface interface;
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@ -44,6 +47,12 @@ struct layout {
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uint16_t vref2_erase;
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};
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int print_and_prompt( struct ftdi_device_list *devlist );
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int bb_mpsee(struct ftdi_context *ftdic, uint16_t dir, uint16_t val);
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void reset(struct ftdi_context *ftdic, const struct layout * l);
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void erase(struct ftdi_context *ftdic, const struct layout * l);
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void usage(void);
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#define std_layout(x) \
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.interface = interface(x), \
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.dir = dir(x), \
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@ -62,15 +71,24 @@ static const struct layout layouts[] =
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},
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{ .name = NULL, /* end of table */ },
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};
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/* fgets input buffer length: for prompts and such */
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#define BUF_LEN 32
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int print_and_prompt( struct ftdi_device_list *devlist );
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int bb_mpsee(struct ftdi_context *ftdic, uint16_t dir, uint16_t val);
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void toggle_reset(struct ftdi_context *ftdic, const struct layout * l);
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void usage(void);
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struct command {
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char *name;
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void (*cmd)(struct ftdi_context *ftdic, const struct layout * l);
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};
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static const struct command commands[] =
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{
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{
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.name = "reset",
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.cmd = reset,
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},
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{
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.name = "erase",
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.cmd = erase,
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},
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{ .name = NULL, /* end of table */ },
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};
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const struct layout * find_layout(char * str)
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{
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@ -93,7 +111,7 @@ int main(int argc, char **argv)
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int dev_index = -1; int num_devs;
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char layout_str[BUF_LEN];
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const struct layout *layout;
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int ret;
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int i, ret;
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while (1) {
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int c;
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@ -123,7 +141,7 @@ int main(int argc, char **argv)
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break;
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}
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}
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if( !(layout = find_layout(layout_str))) {
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usage();
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printf("You must specify a layout\n");
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@ -171,7 +189,19 @@ int main(int argc, char **argv)
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fprintf(stderr, "couldn't open dev_index %d\n", dev_index);
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return EXIT_FAILURE;
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}
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toggle_reset(&ftdic, layout);
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i = 0;
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while(commands[i].name != NULL) {
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if(strcmp(commands[i].name, argv[optind]) == 0) { break; }
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i++;
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}
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if(commands[i].name != NULL) {
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commands[i].cmd(&ftdic, layout);
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} else {
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printf("invalid command\n");
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}
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printf("done.\n");
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ftdi_list_free(&devlist);
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ftdi_deinit(&ftdic);
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@ -227,18 +257,50 @@ int print_and_prompt( struct ftdi_device_list *devlist )
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return sel;
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}
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void toggle_reset(struct ftdi_context *ftdic, const struct layout * l)
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void reset(struct ftdi_context *ftdic, const struct layout * l)
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{
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/* using MPSSE since it give access to high GPIO*/
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/* set as inputs for now */
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ftdi_set_bitmode(ftdic, 0 , BITMODE_MPSSE);
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printf("toggle reset\n");
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bb_mpsee(ftdic, l->dir, (l->reset_release | l->vref2_normal));
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bb_mpsee(ftdic, l->dir, (l->reset_set | l->vref2_normal));
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bb_mpsee(ftdic, l->dir, (l->reset_release | l->vref2_normal));
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return;
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}
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void erase(struct ftdi_context *ftdic, const struct layout * l)
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{
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printf("setting VREF2 erase\n");
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/* using MPSSE since it give access to high GPIO*/
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/* set as inputs for now */
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ftdi_set_bitmode(ftdic, 0 , BITMODE_MPSSE);
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bb_mpsee(ftdic, l->dir, (l->reset_release | l->vref2_normal));
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bb_mpsee(ftdic, l->dir, (l->reset_set | l->vref2_normal));
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bb_mpsee(ftdic, l->dir, (l->reset_release | l->vref2_erase));
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printf("toggle reset\n");
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bb_mpsee(ftdic, l->dir, (l->reset_set | l->vref2_erase));
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bb_mpsee(ftdic, l->dir, (l->reset_release | l->vref2_erase));
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printf("waiting for erase\n");
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sleep(1);
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printf("setting VREF2 normal\n");
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bb_mpsee(ftdic, l->dir, (l->reset_release | l->vref2_normal));
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reset(ftdic, l);
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return;
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}
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